# 3. Number of children in six different classes are given below. Represent the data on a bar graph.   (a) How would you choose a scale? (b) Answer the following questions: (i) Which class has the maximum number of children? And the minimum? (ii) Find the ratio of students of class sixth to the students of class eight.

(a) The scale : 1 unit = 10 children.

(b) (i) Class fifth has the maximum number of children.

Whereas, class tenth has the minimum number of children

(ii) Number of students in class sixth = 120

Number of students in class eight = 100

Therefore, the required ratio = $\frac{120}{100}$

$= \frac{6}{5}$

Required ratio is $6:5$

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